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USIA Fellow Prof. Harold G. Koenig

Prof. Harold G. Koenig is an Honorary / Advisory Fellow Psychiatrist of the United Sigma Intelligence Association (USIA).


Dr. Koenig completed his undergraduate education at Stanford University, his medical school training at the University of California at San Francisco, and his geriatric medicine, psychiatry, and biostatistics training at Duke University. He is board certified in general psychiatry, and formerly boarded in family medicine, geriatric medicine, and geriatric psychiatry. He is on the faculty at Duke University Medical Center as Professor of Psychiatry and Associate Professor of Medicine. He is also an Adjunct Professor in the Department of Medicine at King Abdulaziz University, Jeddah, Saudi Arabia, and is Adjunct Professor in the School of Public Health at Ningxia Medical University, Yinchuan, China (2014-2023). In addition, he is a Visiting Professor at Shiraz University of Medical Sciences in Shiraz, Iran. Dr. Koenig has nearly 600 scientific peer-reviewed academic publications, 100 book chapters, and over 55 books in print or preparation. His research has been featured on many national and international TV programs (including ABC’s World News Tonight, The Today Show, Good Morning America, Dr. Oz Show, NBC Nightly News) and hundreds of national and international radio programs and newspapers/magazines (including Reader’s Digest, Parade Magazine, Newsweek, Time). Dr. Koenig has given testimony before the U.S. Senate (1998) and U.S. House of Representatives (2008) concerning the benefits of religious involvement on public health. He is the recipient of the 2012 Oskar Pfister Award from the American Psychiatric Association, the 2013 Gary Collins Award from the American Association of Christian Counselors (AACC), and the 2021 Frank Minirth Award for Excellence in Christian Psychiatry and Behavioral Medicine from AACC. He is an Associate Editor of the Journal of Religion and Health and is Editor-in-Chief of the International Journal of Psychiatry in Medicine.

Finally, Dr. Koenig is lead author of the Handbook of Religion and Health, 3rd edition (2023, Oxford University Press, forthcoming, with professors Tyler VanderWeele, Ph.D., TH Chan School of Public Health, Harvard University, and John Raymond Peteet, M.D., Department of Psychiatry, Harvard Medical School). He also co-led the 2022 Professional Development Training Course (PDTC) that trained over 1000 U.S. Navy, Marine Corps, and Coast Guard chaplains and religious program specialists on “Spiritual Readiness” for combat operations by military personnel. He is lead author of Spiritual Readiness: Essentials for Military Leaders and Chaplains (2022) and Moral Injury: A Handbook for Military Chaplains (2023), both available on


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